/*!	 valuenode_random.h
**	 Template Header
**
**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**	Copyright (c) 2007 Chris Moore
**  Copyright (c) 2011 Carlos López
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifndef __SYNFIG_VALUENODE_INTERPOLATION_RANDOM_H
#define __SYNFIG_VALUENODE_INTERPOLATION_RANDOM_H

#include "synfig/valuenode.h"
#include "random_noise.h"

namespace synfig
{

class ValueNode_Random : public LinkableValueNode
{
    ValueNode::RHandle link_;
    ValueNode::RHandle radius_;
    ValueNode::RHandle seed_;
    ValueNode::RHandle speed_;
    ValueNode::RHandle smooth_;
    ValueNode::RHandle loop_;

    mutable RandomNoise random;
    // RandomNoise::SmoothType smooth;
    ValueNode_Random(const ValueBase &value);

public:

    typedef etl::handle<ValueNode_Random> Handle;
    typedef etl::handle<const ValueNode_Random> ConstHandle;

    virtual ValueBase operator()(Time t)const;

    virtual ~ValueNode_Random();

    virtual String get_name()const;
    virtual String get_local_name()const;

    virtual ValueNode::LooseHandle get_link_vfunc(int i)const;

    virtual ValueNode::Handle clone(etl::loose_handle<Canvas> canvas, const GUID& deriv_guid = GUID())const;

    void randomize_seed();

protected:
    LinkableValueNode* create_new()const;
    virtual bool set_link_vfunc(int i, ValueNode::Handle x);

public:
    using synfig::LinkableValueNode::get_link_vfunc;
    using synfig::LinkableValueNode::set_link_vfunc;
    static bool check_type(Type &type);
    static ValueNode_Random* create(const ValueBase &x);
    virtual Vocab get_children_vocab_vfunc()const;
}; // END of class ValueNode_Random

}; // END of namespace synfig

#endif